info:oai:orgprints.org:7415info:ofi/fmt:xml:xsd:bookLukanowskiAleksanderLukanowski, AleksanderBaturoAnnaBaturo, AnnaSadowskiCzeslawSadowski, CzeslawKusJanKus, Jan2006Results of studies on plant health in organic cultivation on the background of other farming systemsproceeding